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Atomic Structure of Roentgenium and Hafnium


Atomic Structure of Hafnium and Roentgenium


Atomic Properties

Atomic Number
111   
7
72   
99+

Electron Configuration
[Rn] 5f14 6d9 7s2   
[Xe] 4f14 5d2 6s2   

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
111   
7
72   
99+

Number of Neutrons
161   
3
106   
29

Number of Electrons
111   
7
72   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
159.00 pm   
28

Covalent Radius
Not Available   
175.00 pm   
23

Van der Waals Radius
Not Available   
200.00 pm   
28

Atomic Weight
281.00 amu   
6
178.49 amu   
39

Atomic Volume
Not Available   
13.60 cm3/mol   
38

Adjacent Atomic Numbers
  
  

Previous Element
Lutetium
  

Next Element
Tantalum
  

Valence Electron Potential
Not Available   
81.00 (-eV)   
16

Lattice Constant
Not Available   
319.64 pm   
99+

Lattice Angles
NA   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.58   
12

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